private void btnThem_Click(object sender, EventArgs e)
{
isInsert = true;
cmMaNCC.Focus();
txtSoHopDong.Enabled = false;
grThongTinHopDong.Enabled = true;
btnHuy.Enabled = true;
btnLuu.Enabled = true;
btnThem.Enabled = false;
btnSua.Enabled = false;
txtSoHopDong.Text = dbHopDong.SetNewPrimaryKey();
cmMaNCC.ResetText();
dtpNgayKy.ResetText();
dtpThoiHanHopDong.ResetText();
this.ActiveControl = cmMaNCC;
}
private void SetMaHopDong()
{
dbHopDong = new DBHopDong();
txtSoPhieu.Text = dbHopDong.SetNewPrimaryKey();
}